Turn Immunity. The eye of fear and flame is immune to effects that turn undead.

Innate Spellcasting. The eye of fear and flame's innate spellcasting ability is Intelligence (spell save DC 16). It can innately cast the following spells, requiring no components:

At will: detect evil and good, detect thoughts

1/day each: etherealness, true seeing

Multiattack. The eye of fear and flame makes two claw attacks and uses its Gemstone Eyes.

Claw. Melee Weapon Attack: +7 to hit, reach 5 ft., one target. Hit:9 (1d12 + 3) slashing damage.

Gemstone Eyes. The eye of fear and flame shoots one of the following magical eye rays, choosing one target it can see within 90 feet of it.

• The target and up to four other creatures of the eye of fear and flame's choice within 10 feet of the target must each succeed on a DC 16 Wisdom saving throw or be frightened for 1 minute. An affected creature can repeat the saving throw at the end of each of its turns, ending the effect on itself on a success.
• The target must make a DC 16 Dexterity saving throw. On a failed save, the target takes 44 (8d10) fire damage, and if it is a creature or a flammable object, it ignites. On a successful save, the target takes half as much damage and does not ignite. A target that ignites takes 5 (1d10) fire damage at the start of each of its turns until a creature takes an action to douse the fire.